| Locality | Post Code |
|---|---|
| Bondville, Champaign | 61815 |
| Broadlands, Champaign | 61816 |
| Champaign, Champaign | 61820, 61821, 61822 |
| Dewey, Champaign | 61840 |
| Fisher, Champaign | 61843 |
| Foosland, Champaign | 61845 |
| Gifford, Champaign | 61847 |
| Homer, Champaign | 61849 |
| Ivesdale, Champaign | 61851 |
| Longview, Champaign | 61852 |
| Ludlow, Champaign | 60949 |
| Mahomet, Champaign | 61853 |
| Ogden, Champaign | 61859 |
| Penfield, Champaign | 61862 |
| Pesotum, Champaign | 61863 |
| Philo, Champaign | 61864 |
| Rantoul, Champaign | 61866 |
| Royal, Champaign | 61871 |
| Sadorus, Champaign | 61872 |
| Saint Joseph, Champaign | 61873 |
| Savoy, Champaign | 61874 |
| Seymour, Champaign | 61875 |
| Sidney, Champaign | 61877 |
| Thomasboro, Champaign | 61878 |
| Tolono, Champaign | 61880 |
| Urbana, Champaign | 61801, 61802 |